US20130122735A1 - Electrical plug-in connector comprising a raised release element, and method for reversibly connecting and disconnecting plug parts of a plug-in connector - Google Patents
Electrical plug-in connector comprising a raised release element, and method for reversibly connecting and disconnecting plug parts of a plug-in connector Download PDFInfo
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- US20130122735A1 US20130122735A1 US13/811,188 US201113811188A US2013122735A1 US 20130122735 A1 US20130122735 A1 US 20130122735A1 US 201113811188 A US201113811188 A US 201113811188A US 2013122735 A1 US2013122735 A1 US 2013122735A1
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- United States
- Prior art keywords
- plug
- spring piece
- spring
- release element
- retaining sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
- H01R13/6273—Latching means integral with the housing comprising two latching arms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/625—Casing or ring with bayonet engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/923—Separation or disconnection aid
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
- The invention relates to an electrical plug-in connector with two plug parts, which can be reversibly coupled and disconnected. Such a plug-in connector, which moreover also ensures that in the connected state of the two plug parts upon effect of a tensile force with a force value greater than a release force threshold value on at least one of the plug parts, automatic disconnection or separation of the plug parts is effected, is for example known from U.S. Pat. No. 2,933,711.
- Besides the possibility that the user grips the two plug parts and disconnects them in user-operated and intended manner, the further possibility is provided that upon unexpected and for example also unintended tensile force effects on at least one of the two connected plug parts, they are automatically disconnected.
- However, this known plug-in connector is only suitable in restricted manner with regard to the construction and the functionality. In this connection, in particular the cooperation of the arrangements and shapes of the spring element with the spring pieces as well as the sliding guide in a plug part results in problems to the effect that the automatic release functionality only conditionally functions. Moreover, plugging together is tedious and prone to wear due to the geometries, and undesired jams and spreads as well as deflections in particular of the spring pieces can occur, which compromises the functionality of the plug-in connection.
- It is the object of the present invention to provide an electrical plug-in connector as well as a method for reversibly connecting and disconnecting plug parts of a plug-in connector, in which or with which simpler and lower-wear connection and disconnection of the plug parts are achieved and at the same time multi-optional disconnection of the plug parts can be effected both directed by the user and automatically upon tensile force effect on the plug parts.
- This object is solved by a plug-in connector having the features according to
claim 1, and a method having the features according to claim 14. - An electrical plug-in connector according to the invention includes a first plug part and a second plug part. The two plug parts can be reversibly coupled and disconnected. The plug-in connector includes a connection device, which has at least one spring element engaging with a sliding guide in the second plug part with at least one spring piece for connecting the plug parts. A raised release element is formed on this sliding guide, which is embraced by the spring piece in the plugged state of the plug parts. The sliding guide and the spring element are formed such that upon occurrence of a tensile force value greater than a release force threshold value on at least one of the two plug parts in the plugged state, automatic disconnection or non-destructive release of the plug parts being able to be reversibly performed is provided.
- The raised release element is rectilinearly formed in circumferential direction. It extends at least over that width, preferably over its entire width, which is provided for guiding the spring piece over the raised release element, on the same axial sectional level viewed in axial direction. This means that at a specific considered location (specific axial sectional level) of the raised release element viewed in axial direction, the extension of the raised release element viewed in circumferential direction then extends over the entire width on this axial sectional level of the specific location starting from this specific location.
- Upon occurrence of a tensile force greater than the release force threshold value on at least one of the two plug parts for automatically disconnecting the plug parts, then, the spring piece is guided over the raised release element exclusively in axial direction.
- With such a configuration of a plug-in connector, thus, a particularly secure and reliably possibility is provided for being able to automatically disconnect or release the two connected plug parts in particularly simple and low-wear manner.
- By the automatic disconnection, which is provided besides a disconnection directed by the user, critical states can be prevented. Especially if the coupled plug-in connector unintentionally experiences large tensile forces on a cable, for example if the cable entering the plug-in connector catches anywhere, damage or functional impairment can be prevented or states critical to safety can be avoided by the automatic disconnection.
- By the automatic release function of the coupled plug parts provided purely in axial direction, thus, release can also be determined in particularly exact and defined manner. Thereby, the requirements when the automatic disconnection is to be reliably effected, can each be particularly exactly adjusted. By the explicitly representational configuration of a raised release element or an automatic raised disconnection element in its specific design and position, the functionality of the automatic disconnection can be particularly favorably achieved. By the extension of the raised release element with regard to the rectilinear extension in circumferential direction, thereby, an annular section is virtually formed as the raised element, which extends virtually partially circumferentially around the longitudinal axis of the plug-in connector and therein is always located on the same axial section over its width. Thereby, virtually, a retaining ramp for the spring piece is also formed such that undesired slipping in circumferential direction of the spring piece does not occur.
- Preferably, the raised release element has an upper release edge, which transitions into a first abutment flank sloping down viewed in axial direction on the side facing away from the front end of the second plug part, wherein the first abutment flank leads to the bottom of the sliding guide. This is a configuration to be particularly emphasized since larger flat area is thereby formed by the abutment flank, which is able to be in contact with the embracing spring piece and thereby allows abutment of the spring piece and the raised release element as large-area as possible. On the one hand, thereby, mechanically stable positioning of the spring piece can be ensured, which in particular prevents undesired slipping or sliding in circumferential direction around the axial longitudinal axis. Moreover, by this configuration of the first abutment flank and the abutment of the spring piece thereon as large-area as possible, extremely precise adjustment and substantially also continuously directed automatic disconnection can be effected. Thus, as the spring piece is not extremely abruptly pulled over a virtually perpendicular step, the longevity and the low wear of the plug-in connector can also be taken into account. Furthermore, by the oblique first abutment flank, precise release geometry is provided for the spring piece, which contributes to determination of the release force threshold value, but above all defines the fundamental release and the beginning of the axial movement of the spring piece in automatic disconnection. In particular, thereby, specifically guided movement of the spring piece radially outwards towards the retaining sleeve can be preset.
- The one spring piece preferably has two strip parts movable angled to each other and reversibly to each other and connected to each other, wherein the release force threshold value is adjustable at least by a presettable deformability upon pressing the spring piece to an inner side of the retaining sleeve in guiding the spring piece over the raised release element upon automatic disconnection.
- The release force threshold value is in particular adjustable and presettable by the shape and deformability of the spring piece. In particular in interaction with the material and the configuration of the spring piece and/or the radial height of the raised release element and/or the distance of the raised release element to the inner side of the retaining sleeve, thus, extremely exact adjustment of the release force threshold value can be allowed. The functional principle of automatic disconnection can thereby be achieved in particular precision.
- Preferably, the first abutment flank is inclined at an angle between 10° and 75°, preferably between 20° and 50°, in particular between 25° and 35°, especially 30°, with respect to the axial longitudinal axis. Thereby, particularly advantageous release and guide to the inner side of the retaining sleeve is achieved.
- It is particularly advantageous if the inclination of the first abutment flank is adapted to the design and inclination of the spring piece or at least of that region of the spring piece, which is provided for contact with the raised release element. By this configuration, abutment as large-area as possible of the first abutment flank and the spring piece can be achieved in the plugged state of the plug parts. Thereby, the above mentioned advantages can be particularly well achieved.
- Preferably, the raised release element has an upper release edge, which transitions into a second abutment flank sloping down viewed in axial direction on the side facing the front end of the second plug part. Preferably, the second abutment flank terminates at the front border of the second plug part. This too, favorably affects the axial movement and guide of the spring piece over the raised release element upon automatic disconnection of the plug parts. Also after crossing the release edge upon movement exclusively in axial direction of the spring piece, then, abrupt impact on the outer side of the second plug part is not effected, but here too, continuous and smooth transfer up to the front border of the second plug part is effected by the second sloping down abutment flank.
- In particularly advantageous manner, the raised release element thus forms as a ramp sloping on both sides, which has its peak at the release edge.
- Preferably, the second abutment flank is inclined at an angle between 5° and 40°, preferably between 5° and 20°, in particular 10°, with respect to the axial longitudinal axis.
- It can be provided that the inclinations of the two abutment flanks are the same. Preferably, it is provided that the inclination of the first abutment flank is steeper than the inclination of the second abutment flank.
- Preferably, the raised release element has a width (in circumferential direction around the longitudinal axis), which corresponds at least to the width of the spring piece. Here too, the aspect of the contact as large-area as possible of the spring piece with the raised release element can therefore be taken into account. Here too, thus, undesired tilting or twisting of the spring piece or undesired movement in circumferential direction or obliquely thereto can in particular be avoided. The desired and provided axial movement of the spring piece is also thereby supported upon automatic disconnection.
- Preferably, it is provided that the plug-in connection particularly advantageously has a hollow-cylindrical retaining sleeve, which is disposed on the first plug part and rotatable relatively to the first plug part. By such a retaining sleeve, thus, the region, in which the two plug parts are fitted to each other in the plugged state and optionally overlap, are circumferentially covered and protected. In additional functionality, by the retaining sleeve and the relative rotatability thereof with respect to the first plug part, the user-desired and user-defined disconnection and assembly of the two plug parts can also be effected. Thus, the retaining sleeve is multi-functionally configured.
- Particularly advantageously, it is provided that the retaining sleeve also serves as a support for the spring element. In particular, the spring element is received in the interior of the retaining sleeve and rotationally fixedly disposed on the retaining sleeve. Preferably, the positioning of the spring element in the interior of the retaining sleeve is provided such that it is completely received in the interior such that the spring element does not protrude beyond the retaining sleeve viewed in axial direction. By the retaining sleeve, a mechanically stable support for the spring element is formed such that it is disposed in positionally secure and low-wear manner.
- In particular, the retaining sleeve is formed as an integral component, which is in particular manufactured of plastic. However, it can also be formed of metal.
- In particular, the spring element is non-destructively detachably disposed on the inner side of the retaining sleeve in rotationally fixed manner. In particular for assembly or maintenance purposes, thus, the spring element can also be separated from the retaining sleeve.
- Preferably, at a lower border of the spring element, a wall extension only partially protruding beyond the lower border is formed, which is formed for introducing into a detent on the inner side of the retaining sleeve. By this configuration, a particularly simple yet mechanically stable protection of the spring element in the retaining sleeve can be ensured.
- In particular, the spring element is also integrally formed and the wall extension is integrated in the spring element.
- Preferably, the spring element is formed of metal. The spring element can be introduced into the retaining sleeve and locked in it by simple insertion in axial direction.
- Preferably, the retaining sleeve is disposed on the first plug part in a locking position preloaded with respect to the connection of the two plug parts by a spring, in particular a torsion spring, in its initial position non-operated by a user. Thus, a defined preload force is generated by the spring, by means of which the retaining sleeve is pressed into the locking position.
- In particular, the relative movability of the retaining sleeve in the first plug part is ensured in circumferential direction, in particular only in circumferential direction.
- This relative movability in circumferential direction is preset in an angular range of less than or equal to 90°.
- Preferably, it is provided that the disconnection and connection of the two plug parts can also be effected by rotating the retaining sleeve from the locking position to a release position and axially moving the plug parts towards each other besides the exclusively axial movement and the axial guide of the spring piece over the raised release element effected thereby. Therein, the spring piece is guided past the raised release element in axial direction in a guide path section of the sliding guide formed next to the raised release element, in particular bounded by the raised release element on one side.
- Besides the automatic disconnection, disconnection directed by the user is also possible. This too, is possible by two variants. In the same manner as in the automatic disconnection, a user can grip the plug parts and disconnect the plug parts by a purely axial pulling movement by purely axial movement.
- However, a further disconnection directed by the user can also be effected by first rotating the retaining sleeve from the locking position into a release position and then axially moving the plug parts towards each other. Thus, in particular by the retaining sleeve, the multifunctional capability of disconnecting and connecting the plug parts is ensured. In particular, therein, it is provided that the spring piece is guided past the raised release element in axial direction in a guide path section of the sliding guide formed next to the raised release element, in particular bounded by the raised release element on one side.
- By the very specific configuration of the sliding guide and the raised release element, thus, in very special functionality, both the automatic disconnection and the disconnection directed by the user by rotating the retaining sleeve and guiding the release part in the sliding guide is allowed.
- Furthermore, it is also allowed that the connection of the plug parts can be performed in two different variants. On the one hand, it can occur to the effect that the user grips the two plug parts and joins the two plug parts exclusively in axial direction. If the two plug parts therein are brought to each other in the correct position each viewed in circumferential direction with regard to their coding and capability of being assembled, thus, this exclusively axial connection movement can be performed. Therein, the spring piece is then axially pushed over the raised release element and snaps into the sliding guide behind the raised release element. However, by the configuration of the rotatably supported retaining sleeve, optionally, it can also be provided that the user rotates this retaining sleeve from the locking position into the release position, then assembles the two plug parts, wherein the spring piece is exclusively moved in axial direction over the sliding guide and past the raised release element due to the release position of the retaining sleeve and then is moved only exclusively in circumferential direction in the sliding guide by rotating back the retaining sleeve into the locking position and virtually is introduced behind the raised release element viewed in axial direction.
- Then, the spring piece is retained in this final position in the connected state of the plug parts behind the raised release element by the locking position of the retaining sleeve preloaded in circumferential direction around the longitudinal axis. The retaining sleeve in its preloaded condition thus also contributes to the positionally secure retention of the spring piece behind the raised release element. Undesired movement of the spring piece in circumferential direction or even undesired spiral path movement of the spring piece around the axial longitudinal axis of the plug-in connector can thereby securely be avoided.
- Preferably, the sliding guide has a circumferentially horizontal guide path section bounded by the raised release element on one side, in which the spring piece is retained by the preloaded locking position of the retaining sleeve in the plugged state of the plug parts.
- Moreover, the sliding guide is formed with a second vertical guide path section, which enters the horizontal guide path section. In particular, the vertical guide path section is also bounded by the side wall of the raised release element on one side, in particular a longitudinal side.
- Preferably, the sliding guide is designed to the effect that it has a guide path section oriented exclusively in axial direction, which enters an exclusively horizontally formed guide path section. Thus, the sliding guide has two guide path sections, which therefore are in particular disposed at a 90° angle to each other. Particularly advantageously, it is provided that the respectively internal bounding walls of the sliding guide are formed by the raised release element. The raised release element is in particular designed and disposed such that it both constitutes a bounding wall of the axial guide path section and a bounding wall of the horizontal guide path section. In particular the bounding wall of the horizontal guide path section is the first abutment flank. Then, it is in particular formed downwardly sloping.
- Particularly advantageously, the raised release element is formed with a height viewed in radial direction at the maximum, which corresponds to the height of the sliding guide. By such a configuration, thus, the raised release element does not protrude beyond the maximum exterior level of the sliding guide in radial direction.
- By such a configuration of the sliding guide and in particular also the specific configuration and arrangement of the raised release element in cooperation with the designs and arrangements of the guide path sections, the simple, secure and low-wear connection and disconnection of the plug parts can be ensured in particularly precise, installation space minimized and highly functional manner, and in particular the automatic disconnection of the plug parts performed exclusively in axial direction can also particularly precisely be achieved.
- Preferably, it is provided that the spring element is a hollow-cylindrical annular section, in which the at least one spring piece is integrally formed and is disposed in a hole of the wall of the annular section. By this configuration, the spring element is not completely closed in circumferential direction, but interrupted, whereby some desired elasticity and movability also in radial direction arises. By the integration of the spring piece and the arrangement in a hole configuration in the wall, the spring piece too can in particular be radially movably positioned, and moreover is also protected. Undesired deflection of the spring piece can thereby be avoided. By this hollow-cylindrical structure of the annular section, particularly flat configuration is also achieved viewed in radial direction such that the attachment to the inner side of the retaining sleeve can be particularly suitably effected without the radial thickness being too large thereby and other installation space in the interior of the retaining sleeve being restricted.
- Preferably, it is provided that the spring element has three separate spring pieces disposed equidistantly to each other viewed in circumferential direction.
- Preferably, a spring piece is strip-shaped formed. This strip includes a first plate-shaped strip part directed obliquely inwards, which then transitions into an outwardly bent second strip part. By the configuration, a particularly smooth-running and low-wear contact as large-area as possible of the raised release element is ensured and corresponding smooth-running guiding over the raised release element is ensured.
- The strip parts disposed angled to each other are formed movably relatively to each other and thus configured in reversibly bendable or deformable manner, which contributes particularly advantageously to the precise specification of a release force threshold value. Especially in pressing to the inner side of the retaining sleeve upon guiding the spring piece over the raised release element, thereby, the release force threshold value is adjustable.
- Preferably, the release force threshold value is greater than 9 N. Depending on the plug-in connector type and the employment purpose thereof, different release force threshold values can be provided. Thus, if the plug-in connector is connected to a cable along the connection chain with a further detachable coupling, it can be provided that for safety reasons the release force threshold value is smaller than the separation force threshold value depending on the separation force threshold value of the further coupling such that release of the connection chain is always effected at the plug parts of the plug-in connector upon unexpected occurrence of a tensile force on the connection chain. For example, then, a release force threshold value can be between 10 N and 60 N.
- If such a requirement is not necessary or only a disconnection location is present in the connection chain, thus, the release force threshold value can also be higher, for example also greater than 70 N.
- Particularly advantageously, the plug-in connector is provided for use at and/or connection to a medical apparatus. It is preferably a defibrillator.
- Preferably, it is provided that the second plug part has the sliding guide with the raised release element on its outer side on the front end and the second plug part embraces the first plug part at least in the section overlapping in axial direction in the state connected to the first plug part. In this connection region, thus, the first plug part is formed with a smaller outer diameter than the inner diameter of the second plug part. Such a dimension and size principle too, allows a particularly suitable and low-wear and smooth-running realization of the connection and disconnection of the plug parts especially in interaction with the spring element, the configuration thereof as well as the sliding guide and the raised release element.
- In particular, the plug parts to be coupled to each other are formed of metal. They can also at least partially be formed of plastic material. Each plug part is formed for receiving a specific contact arrangement support, wherein the two contact arrangement supports of the plug parts are provided for compatible connection. In this connection, thus, electrical contacts are provided in the contact supports of the plug parts.
- Advantageously, a rear border of the plug housing of the second plug part is inwardly bent and thus oriented towards the longitudinal axis of the plug part. This bending of the border constitutes a retaining device for the components disposed in the interior of the plug housing, in particular at least a seal and at least a pressure ring, such that axial positional fixation of these components is achieved by this bending.
- Preferably, the bending is effected by a tool, in particular a bending die. It preferably includes a socket for the rear end of the plug housing such that it can be introduced into the socket. Only after introduction, then, the rear border of the plug housing is contacted with an abutment surface of the socket upon further axially pushing together the die with the plug housing. The abutment surface is obliquely disposed and circumferentially formed such that a funnel-shaped or conical region is formed in the socket. Upon further axially pushing together, the rear border of the plug housing is then obliquely inwardly deflected by guiding along the abutment surface. By an axial resting surface formed in the socket and adjoining the abutment surface, then, the final bending state of the border is preset.
- A further aspect of the invention generally relates to a plug part for an electrical plug-in connector, which has a hollow, in particular hollow-cylindrical plug housing. The plug housing is formed for connection to a further plug part of the plug-in connector at its front end. A rear end of the plug housing has a rear border, which is at least oriented or inclined obliquely inwardly towards the longitudinal axis of the plug housing in the manufactured state of the plug part. Thereby, at the rear end of the plug housing, a diameter restriction is formed. Thereby, components introduced into the plug housing, such as for example seal and/or pressure ring, o can be axially positionally fixed in the interior of the plug housing.
- Preferably, this plug part is formed like the second plug part of the above explained plug-in connector according to the invention or an advantageous implementation thereof. Preferably, the diameter restriction is formed by a die, wherein an axial relative movement between the plug part and the die towards each other is performed and then the rear border of the plug housing is bent inwardly in defined manner in a socket of the die.
- Furthermore, the invention also relates to a method for reversibly connecting and disconnecting plug parts of an electrical plug-in connector, wherein a connection device is formed, which has at least one spring element. The spring element is formed engaging with a sliding guide in the second plug part for connecting the plug parts of the at least one spring piece, and a raised release element is formed on the sliding guide. The sliding guide is embraced by the spring pieces in the plugged state of the plug parts. With regard to this embraced state, it is understood that the spring piece comes to lie behind the raised release element viewed in axial direction. Upon exceeding a release force threshold value upon occurrence of a tensile force on at least one of the two plug parts, the plug-in connection is formed such that automatic disconnection of the plug parts is then effected. Upon occurrence of a tensile force greater than the release force threshold value on one of the two plug parts, the spring piece is pulled off or released exclusively in axial direction via the raised release element formed rectilinearly in circumferential direction and extending at least over its length, provided for transferring the spring piece, on the same level viewed in axial direction.
- Preferably, the spring element is disposed internally in a retaining sleeve rotatably disposed on the first plug part rotationally fixed to the retaining sleeve. The embracement of the raised release element by the spring piece is retained in circumferential direction by means of a spring in the preloaded state of the retaining sleeve.
- Preferably, in addition to the automatic disconnection, user-directed disconnection is allowed. This can be effected such that a retaining sleeve rotatably disposed on the first plug part is brought from its locking position preloaded by a spring into a release position by gripping the retaining sleeve and rotating by a user, whereby the spring piece coupled to the rotation of the retaining sleeve is moved along the raised release element and moved past it in particular exclusively only in horizontal direction, thus only in circumferential direction, and then upon reaching the release position, it is moved along an axial sliding guide section of the sliding guide extending past the raised release element and adjoining the raised release element by exclusive axial movement, and the plug parts are disconnected.
- Advantageous developments of the plug-in connector device according to the invention are to be regarded as advantageous developments of the method according to the invention. In this connection, the representationally mentioned components are formed and interact such that the respective procedures and method steps for disconnecting and connecting can be performed.
- Further features of the invention are apparent from the claims, the figures and the description of figures. The features and feature combinations mentioned above in the description, thus also the features and feature combinations only shown in the figures alone and/or only mentioned in the description of figures alone, are usable not only in the respectively specified combination, but also in other combinations or alone without departing from the scope of the invention.
- Embodiments of the invention are explained in more detail below based on schematic drawings. There show:
-
FIG. 1 an exploded view of the first plug part of the electrical plug-in connector; -
FIG. 2 a perspective illustration of the plugged first plug part according toFIG. 1 with partially cut or broken-away partial illustration; -
FIG. 3 a perspective illustration of an embodiment of a second plug part of the plug-in connector, wherein a partial region of the second plug part is illustrated cut or broken away; -
FIG. 4 a side view of the plug parts of the plug-in connector connected to each other, wherein a partial region is illustrated cut or broken away; -
FIG. 5 a side view of the completely connected plug parts with partially cut or broken-away illustration; -
FIG. 6 a further side view of the plug parts in a first intermediate separation state upon automatic disconnection of the plug parts with partially cut or broken-away illustration; -
FIG. 7 a side view of the two plug parts in a further intermediate separation state upon the intermediate separation state shown inFIG. 6 with partially cut or broken-away illustration; -
FIG. 8 a side view of a partial region of the second plug part illustrated in enlarged manner; -
FIG. 9 a side view of a plug part with a die for bending a rear border of the plug housing in a first assembly state; and -
FIG. 10 a side view of the plug part according toFIG. 9 with a die for bending a rear border of the plug housing in a second assembly state. - In the figures, identical or functionally identical elements are provided with the same reference characters.
- In
FIG. 1 , afirst plug part 1 of an electrical plug-in connector 2 is shown in an exploded illustration. The plug-in connector 2, which can also be referred to as plug-in connector device or plug-in connector coupling and is formed for electrical connection of a defibrillator to a power supply, moreover includes a second plug part 3 (FIG. 3 ) not shown inFIG. 1 . The twoplug parts first plug part 1 includes a plug housing or aplug housing 4 formed of metal. It is formed for receiving acable 5 and moreover it also serves for receiving asupport 6 for electrical contacts. - The contact arrangement of the
first plug part 1 is also defined by thesupport 6. Moreover, theplug housing 4 also serves for receiving acable seal 7, which also serves for strain relief. On both sides of this annularly circumferential and bead-like formedcable seal 7, pressure rings 8 and 9 are provided, which are disposed in the interior of theplug housing 4 in the assembled state of thefirst plug part 1. - Moreover, the
plug housing 4 also serves as a support for atorsion spring 10. It is positioned on anouter side 11 of theplug housing 4 and formed circumferentially around the axial longitudinal axis A of the plug-in connector 2 and thus also of thefirst plug part 1. Thespring 10 formed as a torsion spring has ends 12 and 13. - They are correspondingly bent, wherein the
end 12 engages behind a retaining leg 14 formed on theouter side 11. Thesecond end 13 engages with a socket in the interior of a retainingsleeve 15 formed integrally of plastic. The retainingsleeve 15 formed hollow-cylindrical circumferentially surrounds the front region of theplug housing 4. Thus, the retainingsleeve 15 is attached to and disposed on thefirst plug part 1 and moreover rotatable relatively with respect to theplug housing 4 around the axis A. This is allowed by thespring 10. - In the assembled state of the
plug part 1, thespring 10 is disposed in the interior of the retainingsleeve 15. Astop 17 is formed on theplug housing 4. - On an
inner side 18 of the retainingsleeve 15, besides the socket for theend 13 of thespring 10, further detents or retainers are also formed. They then serve for receiving and retaining aspring element 19, which can also be referred to as a spring cage. Thespring element 19 is completely disposed in the interior of the retainingsleeve 15 in the assembled state of thefirst plug part 1. Moreover, it encompasses the front region of theplug housing 4 and thus also encompasses theouter side 11. - As it is appreciable in the illustration according to
FIG. 1 , thespring element 19 is formed as an annular section and thus not a completely closed ring. Thespring element 19 has adiscontinuity 20. Thus, it is formed as a non-closed hollow cylinder. In the plate-like or strip-like wall 21 of thespring element 19, holes 22, 23 and 24 are formed. In each one of theseholes 22 to 24, aspring piece spring element 19 is integrally fabricated. - At a
lower border 28 of thewall 21 of thespring element 19, awall extension 29 is formed viewed in axial direction, but which is not formed over the entire circumferential length of thelower border 28. By thiswall extension 29, a locking possibility is provided. Thiswall extension 29 is inserted or pushed into the detent or retainer for thespring element 19 formed at theinner side 18 upon introducing into the retainingsleeve 15. Thereby, thespring element 19 can be rotationally fixedly connected to the retainingsleeve 15. - The three
spring pieces 25 to 27 in the embodiment are disposed equidistantly to each other viewed in circumferential direction. With regard to the configuration, they are identically formed. With respect to the further explanation, thus, only thespring piece 25 is explained in more detail. Thespring piece 25 is also strip-shaped formed and includes afirst strip part 30 disposed slightly inwardly bent or inclined. Thefirst strip part 30 then leads to asecond strip part 32 at atransition edge 31, which is oppositely slightly outwardly bent. - As is apparent, the
spring piece 25 is disposed and flexibly movable such that it is flexibly movable and resilient especially in radial direction to the axis A. In particular, thestrip parts spring piece 25 is pressed radially outwards to theinner side 18 of thesleeve 15 and deformed there by a raised release element upon axial automatic disconnection of theplug parts - In
FIG. 2 , in the perspective illustration, thefirst plug part 1 is shown in the assembled state. Therein, the illustration is shown partially cut or partially broken-away in the region of the retainingsleeve 15. On anouter side 33 of the retainingsleeve 15, identifications are attached, which signal the rotational direction possibilities of the retainingsleeve 15, wherein for example anarrow 34 is presented. The retainingsleeve 15 is retained in a preloaded locking position by thespring 10 in a state non-operated by the user and thus in an initial position. Furthermore, it is provided that the retainingsleeve 15 can be rotated in circumferential direction around the axis A in an angular range of less than 60° in order to get from the locking position to a release position. - With regard to the locking position, that position is meant, in which a spring piece, for example the
spring piece 25, of thespring element 19 is retained preloaded in a final position in a sliding guide of thesecond plug part 3 in circumferential direction around the axis A. In the release position of the retainingsleeve 15, then, thisspring piece 25 is brought from the retained final position in the sliding guide into such a position that thespring piece 25 can then be moved in an axial guide path section of the sliding guide by exclusively axial movement and theplug parts - However, this release position of the retaining
sleeve 15 then has to be retained by a user, since upon releasing the retainingsleeve 15, it then is automatically again brought into the initial position and thus the locking position by thespring 10. - In
FIG. 2 , moreover, anexterior sheathing part 35 is shown, which is fitted to theplug housing 4 in the rear region. Afront end 43 of theplug housing 4 is shown. - In
FIG. 3 , in perspective illustration, the already mentionedsecond plug part 3 is shown. Here too, a partial region is illustrated cut or broken away such that it can be looked at the interior. Thesecond plug part 3 also includes a base part or plughousing 36 formed of metallic material. Here too, thisplug housing 36 is formed for receiving acable 37, acable seal 38 shown in the cut or broken-away portion of the illustration, as well as afirst pressure ring 39 and asecond pressure ring 40. Here too, theplug housing 36 includes astop 41 with afront side 42. - Here too, the
plug housing 36 is provided for receiving asupport 44, which represents the contact arrangement and is formed for receiving electrical contacts. - In a
front region 45 of theplug housing 36, a plurality of sliding guides for each one of thespring pieces outer side 46. The number of the sliding guides corresponds to the number of thespring pieces 25 to 27 of thespring element 19. Thus, three sliding guides are provided in the embodiment. Furthermore, only the slidingguide 47 completely represented inFIG. 3 is explained. The other two sliding guides are analogously formed. The slidingguide 47 includes aguide section 48 exclusively axially extending, which transitions into an exclusively horizontally or circumferentially orientedguide path section 49. The bounding edges of theguide path sections - Immediately adjacent and adjoining to the sliding
guide 47, a raisedrelease element 50 is formed. Thus, it is also virtually disposed downwardly recessed with respect to the level of theouter side 46. The release geometry in the form of the raisedrelease element 50 includes afirst abutment flank 51, which extends starting from anupper release edge 52 downwardly sloping to the bottom of the slidingguide 47. Moreover, the raisedrelease element 50 includes asecond abutment flank 53, which inclines downwardly sloping starting from therelease edge 52 into the other direction and terminates at or leads to thefront end 54 of theplug housing 36. The raisedrelease element 50 is therefore formed as a hill or ramp downwardly sloping on both sides. In the embodiment, it is provided that therelease edge 52 constitutes the peak of the release geometry and thus of the raised release element 50 (viewed in radial direction). In the embodiment, it is provided that therelease edge 52 is on the vertical level of theouter side 46 and therefore does not protrude beyond theouter side 46 in radial direction. - It can be appreciated that the raised
release element 50 both bounds the horizontalguide path section 48 with one side and bounds the horizontalguide path section 49 with thefirst abutment flank 51 on one side. - A substantial feature of the raised
release element 50 is founded in that it is rectilinearly formed viewed in circumferential direction around the axis A. This means that therelease edge 52 is located on the same longitudinal section along the axis A in axial direction viewed over the entire width (extension around the axis A). The corresponding also applies to thefirst abutment flank 51 for its border terminating at the bottom of the slidingguide 47. - By the configuration of the sliding
guide 47 and in particular of the raisedrelease element 50, in effective connection with thespring element 19 and the retainingsleeve 15, multi-functional and multi-optional disconnection and connection of theplug parts - In this connection, it is therefore possible that automatic disconnection of the
plug parts spring piece 25, over the raisedrelease element 50 exclusively in axial direction. - In this connection, it is explained that in the plugged final state of the two
plug parts spring pieces spring piece 25 is coupled to the slidingguide 47 and the raisedrelease element 50. Thus, in the plugged state of theplug parts second strip part 32 is then disposed such that it embraces the raisedrelease element 50. This means that it comes to lie on thefirst abutment flank 51 and thus is furthermore located in the horizontalguide path section 49. Thestrip part 32 is urged into the final position by the retainingsleeve 15 due to its preloaded locking position and thus retained preloaded in the horizontalguide path section 49 behind the raisedrelease element 50 viewed in axial direction. - If a tensile force with a value greater than this release force threshold value is then exerted on the
plug parts plug parts spring piece 25 is first preset in defined manner by the defined inclination of thefirst abutment flank 51. Then, thespring piece 25 is pulled over the raisedrelease element 50 with its frontfree strip part 32 exclusively in axial direction. Therein, thespring piece 25 is urged radially outwardly by theabutment flank 51 and pressed to theinner side 18 and deformed. If the tensile force is effected on theplug parts strip parts spring piece 25 over therelease edge 52, whereby the release force threshold value is exceeded, thus, the twoplug parts - In addition to this automatic disconnection, user-defined and user-performed disconnection can also be effected. Therein, it is then provided that the retaining
sleeve 15 is gripped by the user and rotated inarrow direction 34 such that the release position is achieved starting from the locking position. This is haptically perceived by the user by a stop of the retainingsleeve 15 in the release position. In this release position, thespring piece 25 is then moved from its position behind the raisedrelease element 50 along the horizontalguide path section 49. In particular, thesecond strip part 32 is therefore only moved along thefirst abutment flank 50 along the horizontalguide path section 49 in circumferential direction and thus moved past the raisedrelease element 50 in circumferential direction. In the release position of the retainingsleeve 15, thespring piece 25 and in particular thesecond strip part 32 is then at the upper end of the axialguide path section 48. Thisguide path section 48 is as wide in circumferential direction as it at least has the width of thespring piece 25 such that upon exclusively axial movement and with the retainingsleeve 15 retained in the release position, disconnection of the twoplug parts spring piece 25 is then moved past the raisedrelease element 50 along the axialguide path section 48 and then the twoplug parts sleeve 15 is then again released, it is automatically moved into its locking position on thefirst plug part 1 by thespring 10. - The raised
release element 50 and in particular the width of therelease edge 52 as well as thereby also the width of thefirst abutment flank 51 viewed in circumferential direction is preferably at least dimensioned just as thespring piece 25, in particular thesecond strip part 32, is wide. - Besides the explanations to the two optional possibilities of disconnecting the
connected plug parts plug parts - Thus, in this connection, it can be provided that on the one hand first the retaining
sleeve 15 is rotated from the locking position into the release position and then the twoplug parts plug parts spring piece 25 is automatically guided along the axialguide path section 48. If the maximum possible position of the twoplug parts sleeve 15 or releasing the retainingsleeve 15, it is automatically rotated by thespring 10 and returned into the locking position. Therein, due to the rotationally fixed coupling of thespring element 19 to the retainingsleeve 15, thespring piece 25 is moved along the horizontalguide path section 49 and guided behind the raisedrelease element 50. By thespring 15 and its preloading action, then, this state and the position of thespring piece 25 is retained. - With regard to the embracement of the
spring piece 25 in the plugged state of theplug parts front border 54 of theplug housing 36, thesecond strip part 32 comes to lie behind the raisedrelease element 50. - However, it can also be provided that for connecting the
plug parts sleeve 15 is rotated from its locking position into the release position. Rather, with the correct orientation of the twoplug parts spring piece 25, it is ensured that it is continuously moved over thesecond abutment flank 53 and continuously pressed outwards. Then, it is pushed over therelease edge 52 and then continuously brought into the final position via the again downwardly slopingfirst abutment flank 51. In particular, thespring piece 25 is again radially moved inwards in order to then reach the embracing state of the raisedrelease element 50 and the final position in the horizontalguide path section 49. - In
FIG. 3 , it is furthermore shown that arear border 55 of theplug housing 36 is circumferentially inwardly oriented to the axis A. Thereby, it is advantageously achieved that the components in the interior of theplug housing 36 are also retained in axially positionally fixed manner. By the bending or crimping of theborder 55, thecable seal 38 and the pressure rings 30 and 40 can no longer axially exit theplug housing 36. - This diameter restriction of the plug housing at the
rear border 55 is achieved by a tool shown inFIG. 9 , in particular adie 56. It is pushed onto theplug part 3 else completely equipped from behind and approached to the rear end of theplug housing 36. Thedie 56 has asocket 57. The rear end of theplug housing 36 is received in it. Upon further axially pushing the die 56 to theplug housing 36, then, therear border 55 not yet bent comes into contact with a conically shapedabutment surface 58 of thesocket 57. Upon further axially pushing together, therear border 55 is then bent inwardly by theabutment surface 58, wherein a corresponding bending guide is formed by thesocket 57. By a lower axially oriented restingsurface 59 adjoining to the abutment surface, then, the bending path and thus also the diameter restriction is preset and limited. Thus, by thedie 56, the desired intensity of the bending of theborder 55 is allowed in very precise and defined manner. InFIG. 10 , a partial section of theplug part 3 with already partiallybent border 55 is shown thereto. - In
FIG. 4 , in a side view with illustration partially cut or broken away in the region of the retainingsleeve 15, the completely connected state of theplug parts second strip part 32 substantially abuts on thefirst abutment flank 51 with large area. - In particular, it can also be perceived that the
front border 54 of theplug housing 36 of thesecond plug part 3 comes to lie on a step-like stop on theouter side 11 of theplug housing 4. - In
FIG. 5 , in a side view with partially cut or broken-away illustration, an implementation is shown, in which theplug parts FIG. 4 , here, the reversed variant is shown such that here thefirst plug part 1 is positioned on the right and thesecond plug part 3 is positioned on the left. Moreover, the cut or broken-away illustration is also shown at another location to the illustration inFIG. 4 . - Starting from the completely connected state of the
plug parts FIG. 5 , the above already mentioned automatic release functionality is further explained. To this, it can be recognized in the illustration according toFIG. 6 that a first intermediate separation state is achieved. If therein a tensile force in the direction of the arrow Z is for example exerted on thefirst plug part 1, the force value of which is greater than the release force threshold value of the plug-in connection device 2, thus, the automatic disconnection is effected. Therein, as already above explained, due to the configuration of the slidingguide 47 and the raisedrelease element 50 as well as the configuration of thespring piece 25, exclusively a movement in axial direction and thus in the direction of the axis A is performed. - As is further shown in the illustration according to
FIG. 7 , in which a side view with partially cut or broken plug-in connector 2 is shown and in which a second separation intermediate state is presented, thespring piece 25 is then further guided along thesecond abutment flank 53 downwardly sloping in the direction of the axis A. - In
FIG. 8 , a side view of theplug part 3 in an enlarged illustration is shown. The geometry and the position of raisedrelease elements 50 as well as slidingguides 47 respectively provided with the same reference character are shown. It can be appreciated that the axial side of the raisedrelease element 50 facing away from theguide path section 48 is in the same position in circumferential direction around the axis A as the axial wall bounding theguide path section 49 at the end side. Furthermore, by the line B it is shown that among other things therelease edge 52 extends on the same axial section over its entire width. Moreover, preferred inclination angles of 10° and 30° of theabutment flank 53 and theabutment flank 51, respectively, with respect to the axis A are drawn.
Claims (16)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010042354A DE102010042354A1 (en) | 2010-10-12 | 2010-10-12 | Electrical connector with a tear-off and method for reversibly connecting and disconnecting male parts of a connector |
DE102010042354 | 2010-10-12 | ||
DE102010042354.8 | 2010-10-12 | ||
PCT/EP2011/067716 WO2012049169A1 (en) | 2010-10-12 | 2011-10-11 | Electrical plug-in connector comprising a raised release element, and method for reversibly connecting and disconnecting plug parts of a plug-in connector |
Publications (2)
Publication Number | Publication Date |
---|---|
US20130122735A1 true US20130122735A1 (en) | 2013-05-16 |
US8939783B2 US8939783B2 (en) | 2015-01-27 |
Family
ID=44774073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/811,188 Active 2031-12-15 US8939783B2 (en) | 2010-10-12 | 2011-10-11 | Electrical plug-in connector comprising a raised release element, and method for reversibly connecting and disconnecting plug parts of a plug-in connector |
Country Status (5)
Country | Link |
---|---|
US (1) | US8939783B2 (en) |
EP (1) | EP2539969B1 (en) |
DE (1) | DE102010042354A1 (en) |
HK (1) | HK1176468A1 (en) |
WO (1) | WO2012049169A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8939783B2 (en) * | 2010-10-12 | 2015-01-27 | Intercontec Pfeiffer Gmbh | Electrical plug-in connector comprising a raised release element, and method for reversibly connecting and disconnecting plug parts of a plug-in connector |
US9502824B2 (en) | 2014-05-23 | 2016-11-22 | Itt Manufacturing Enterprises, Llc | Electrical connector |
EP3429037A1 (en) * | 2017-07-10 | 2019-01-16 | Amphenol-Tuchel Electronics GmbH | Break away socket |
US20190140392A1 (en) * | 2017-11-02 | 2019-05-09 | Jiusheng Zou | Quick Self-locking and Self-unlocking Electric Connector |
US10944211B1 (en) * | 2019-11-15 | 2021-03-09 | Kunshan Amphenol Zhengri Electronics Co., Ltd. | Connector with quick positioning structure |
CN113067194A (en) * | 2021-03-19 | 2021-07-02 | 昆山欧德斯电子科技有限公司 | Terminal electric connector and electric connector combination thereof |
CN113078511A (en) * | 2021-03-26 | 2021-07-06 | 深圳市显灏电子科技有限公司 | Connector structure for preventing contact failure for new energy automobile |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6210829B2 (en) * | 2013-10-04 | 2017-10-11 | 矢崎総業株式会社 | connector |
DE102021107137B4 (en) | 2021-03-23 | 2022-10-06 | Kunshan Outdoor Solutions Electronics Co., Ltd. | Electrical terminal connector and electrical connector assembly therefor |
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CN113078511A (en) * | 2021-03-26 | 2021-07-06 | 深圳市显灏电子科技有限公司 | Connector structure for preventing contact failure for new energy automobile |
Also Published As
Publication number | Publication date |
---|---|
EP2539969A1 (en) | 2013-01-02 |
WO2012049169A1 (en) | 2012-04-19 |
US8939783B2 (en) | 2015-01-27 |
HK1176468A1 (en) | 2013-07-26 |
DE102010042354A1 (en) | 2012-04-12 |
EP2539969B1 (en) | 2016-06-15 |
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